# SDR SWAA2021101418488

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2021
- Submitted: October 14, 2021
- Operation: Air carrier
- Aircraft: [N904WN](https://openairdocs.org/aircraft/N904WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36616
- Aircraft time: 45,638 hours, 27,243 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Panel
- Part number: 561CB
- Condition: Cracked
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021101418488

## Discrepancy

PANEL 561CB HAS CRACKED FASTENER HOLES ; / [01] REMOVED DAMAGE PER EA 21-157-02762; [02] VERIFIED REMOVED DAMAGE PER EA 21-157-02762; [03] PERFORMED 250 DEG. PREPREG CURE; PER EA 21-157-02762; [04] VERIFIED PERFORMED 250 DEG. PREPREG CURE; PER EA 21-157-02762; [05] REPAIRED PER EA 21-157-02762

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.